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check if these values change after sound smartctl -A /dev/sda|grep -E 'Power_Cycle_Count|Load_Cycle_Count'
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acoustic level sudo hdparm -M /dev/sda /dev/sda: acoustic = 254 (128=quiet ... 254=fast)
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see current value sudo hdparm -B /dev/sda
*disable power save sudo hdparm -B 255 /dev/sda
- if failed try 254
https://www.computercorrect.com/2011/operating-systems/linux/ubuntu/fix-for-constant-hard-drive-clicking-in-ubuntu/ https://ubuntu-mate.community/t/hdd-does-very-annoying-sound-in-idle/12848/8